Python dependency: Update gssapi requirement in /web/regression

Updates the requirements on [gssapi](https://github.com/pythongssapi/python-gssapi) to permit the latest version.
- [Release notes](https://github.com/pythongssapi/python-gssapi/releases)
- [Commits](pythongssapi/python-gssapi@v1.10.0...v1.11.1)

---
updated-dependencies:
- dependency-name: gssapi
  dependency-version: 1.11.1
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

requirements.txt

@@ -35,7 +35,7 @@ Flask-WTF==1.2.*
 Flask==3.1.*
 google-api-python-client==2.*
 google-auth-oauthlib==1.2.4
-gssapi==1.10.*
+gssapi==1.11.*
 jsonformatter~=0.3.4
 keyring==25.*
 ldap3==2.*